rustup is really great. First I was a little bit curious if the updates every 6 weeks would ruin my dev environment since I need to update every time. but rustu

rustup is really great. First I was a little bit curious if the updates every 6 weeks would ruin my dev environment since I need to update every time. but rustup makes that a breeze. `rustup update`. that's what to do when there is a new version, nothing more I don't know that any other compilers/interpreter that has the same ease of use. except maybe sbt, but that can't self update. (P.S.: Awesome talk about rust on scaladays: https://www.youtube.com/watch?v=C6dNx9pY7p8&index=2&list=PLLMLOC3WM2r5Ei2mnSHCD-ZD04AXovttL https://www.youtube.com/watch?v=C6dNx9pY7p8&index=2&list=PLL...)